12102850117 has 4 divisors (see below), whose sum is σ = 12103681216. Its totient is φ = 12102019020.

The previous prime is 12102850073. The next prime is 12102850129. The reversal of 12102850117 is 71105820121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102850117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102850157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393309 + ... + 422962.

It is an arithmetic number, because the mean of its divisors is an integer number (3025920304).

Almost surely, 2^12102850117 is an apocalyptic number.

It is an amenable number.

12102850117 is a deficient number, since it is larger than the sum of its proper divisors (831099).

12102850117 is an equidigital number, since it uses as much as digits as its factorization.

12102850117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831098.

The product of its (nonzero) digits is 1120, while the sum is 28.

The spelling of 12102850117 in words is "twelve billion, one hundred two million, eight hundred fifty thousand, one hundred seventeen".